Lecture 10 Hormones and sexual Behavior

Lecture 10 Hormones and sexual Behavior - BIOPSYCH Hormones...

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Unformatted text preview: BIOPSYCH Hormones and sexual Behavior Write sex on top of the page Draw bicycle Neuroendocrinology o Is the study of the influence of the hormones on the ns Effects of hormones: Developmental-important in devt of male vs. female anatomy, physiology and behavior Activation-activation reproduction-related behavior in mature adults Hormones=many other influences besides sex (E.g. insulin) Glands o Pituitary gland- releases hormones, connected to hypothalamus Has two parts (anterior and posterior): Anterior pituitary= releases tropic hormones (stimulate and regulate other homones) such as gonadotropin (stimulates gonads to release gonadal/sex hormones) o Adrenal gland- releases small amount of sex hormones KNOW LOCATIONS OF HYPOTHALAMUS AND PITUITARY (ANT AND POST) Sex hormones: 3 classes o Androgens-e.g. testosterone o Estrogens- eg estradiol o Progestins-eg progesterone Both ovaries and testes release ALL of these, but in differing amts for sexes In females, gonadotropic hormone release is cyclic (28 days)= menstrual cycle In males, more steady release o Pattern of release from AP is controlled by hypothalamus via veins (hypothalamoppituitary portal system) connected to the AP o Hypothalamus releases gonadotropin releasing hormone AP releases gonadotropins gonads release sex hormones affect body tissues Hormones release and negative feedback o Gonadotropins LH= luteinizing hormone FSH= follicle stimulating hormone NEGATIVE FEEDBACK LOOP helps regulate the amt of hormones released (e.g. too NEGATIVE FEEDBACK LOOP helps regulate the amt of hormones released (e....
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This note was uploaded on 04/07/2008 for the course PSYC 2 taught by Professor Wilson during the Spring '08 term at UCSD.

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Lecture 10 Hormones and sexual Behavior - BIOPSYCH Hormones...

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